Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

7
3
6
9
2
8
9
3
5
6
4
9
4
5
1
2
6
   3
       
 
   3
       
    
    
       
    
6
3
1
7
4
5
6
9
2
9
2
5
6
1
8
3
6
9
3
7
6
8
1
4
7
3
       
    
      9
       
    
      9
2
4
7
3
5
2
9
1
8
6
4
8
1
3
7
6
2
5
3
6
9
2
6
9
5
5
8
7
   3
       
       
4
3
5
7
2
1
4
9
6
8

 

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